mn ơi giúp mình vs (giải chi tiết) nhaaa mình hứa vote 5*

Lý thuyết tin 7 bài 2: Các thành phần chính và dữ liệu trên trang tính. (Lưu ý chụp vở của các bạn nha)

trắc nghiệm thui ạ, nên không nhất thiết phải giải thích nha hứa 5s thanls và ctraloihayn ạ

A=8 mũ 2 . 32 mũ 4 B=27 mũ 3 . 9 mũ 4.243

mn giúp mình nhanh với ạ còn có mấy phút thoi ạ I. Choose the underlined word or phrase (marked A, B, C or D) in each sentence that needs correcting. 1. My father often takes my sister and me to the cinema at special occasions. A B C D 2. My younger brother had temperature and felt tired yesterday, so I was worried about him so much. A B C D 3. They provide some food and drink with the poor people in their community more often. A B C D 4. I think he will go to the book fair next Sunday because he loves to read books so much. A B C D 5. Be less careful when you eat some kinds of food, my dear! You may have A B allergies if you don't take my advice. C D 6. She likes eating fish, so she also likes drinking mineral water. A B C D 7. It has been two weeks since he has worked for this non-profit organisation A B C D 8. Eat more junk food! You will get overweight if you keep doing that. A B C D 9. You shouldn't stay at home all day because it's bad for your health. Go out less! A B C D 10. You have a sore throat, but you shouldn't talk more. A B C D

Cho ABC vuông tại A, đường cao AH, AB = 16cm, AC = 12 cm Tính độ dài CH, AH, số đo Kẻ HF vuông góc với AC, lấy M là trung điểm CH, MF cắt BA tại K. Chứng minh cân?

Phân số lớn nhất là : a)1/4 b)1/2 c)5/6 d)14/15 e)8/7

Mình ngu t.anh, không biết làm Giúp mình với Cảm ơn

Số tự nhiên x để 35 - x > 35 - 5 là: A.x<5. B.x=5. C.x>5. D.5<x<35

II. Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the 1.The school year in Viet Nam starts on September 5th . A.begins B.teaches C. studies D. ends 2. Phong puts on his uniform and goes to school with Duy A. sells B. wears C. irons D. presses. 3. My mom bought me an eraser, a new pen and two rulers. A. a rubber B. a compass C. a notebook D. a calculator. 4. Do you often do your homework every night? A. housework B.workload C. assignment D. homesickness. 5. At break time, Phong plays football. A. school time B.timetable C. timekeeper D. recess. 6. They are healthy,so they never skip class because of sickness. A. sick B.ill C. fine D. tired. 7. I have lots of friends and they are nice to me. A. much B.many C. some D. any 8. Everyday, he has breakfast at 6 o’clock. A. drinks B.makes C.eats D. cooks.